Find the circumference of a pizza with a diameter of 10 inches. round to the nearest tenth.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Acompany makes steel lids that have a diameter of 13 inches. what is the area of each lid? round your answer to the nearest hundredth

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?